DEL RIO, Texas—Texans living near the U.S.–Mexico border are growing increasingly frustrated with the surge in illegal crossings, human smuggling, vehicle theft, property damage, and threats from illegal aliens trespassing on their property. Ranchers are having to brandish firearms, or even fire warning shots, to chase groups of illegal aliens, usually young men, out of their homes. Parents are afraid to let their young children play outside, while sheriffs are resigned that someone is going to get shot sooner or later. Expecting no help from the federal government, residents are pressing for state and local action. At least 14 counties have declared local disasters, and some are starting to prosecute illegal aliens for trespassing and other crimes, although resources are so limited that the impact will likely be small. “The answer is send them back,” Val Verde County Judge Lewis Owens said at a border town hall in Del Rio …